Rohrsburg is a census-designated place (CDP) in Columbia County, Pennsylvania, United States.

Rohrsburg's name comes from the Prussian Frederick Rohr, who gained the site in 1825 from Samuel Sherts.

In 1826, Rohrsburg consisted solely of a wheelwright's shop, but over the next few years some businesses developed in the area.

[4] The Susquehanna, Bloomsburg, and Berwick Railroad had a station in Rohrsburg in the late 19th and early 20th centuries.

[5] Rohrsburg is located in northern Columbia County at 41°07′59″N 76°25′18″W / 41.133116°N 76.421646°W / 41.133116; -76.421646 (41.133116, -76.421646),[6] in the southeast part of Greenwood Township.

Rohrsurg is almost entirely farmland with some woods along Green Creek and some houses near Pennsylvania Route 254 where it passes through the CDP.

The racial makeup of the CDP was 96.34% White, 0.61% African American, 0.61% Asian, and 2.44% from two or more races.